/Engine/Plugins/Media/AjaMedia/Source/AjaMediaOutput/Private/AjaMediaCapture.cpp
struct FAjaOutputCallback : public [AJA::IAJAInputOutputChannelCallbackInterface](API\Plugins\AjaCore\IAJAInputOutputChannelCallbackIn-)
uint64
LastFrameDropCount
Last frame drop count to detect count
UAjaMediaCaptur...
Owner
uint64
PreviousDroppedCount